Properties of Intersection of Sets

Q. Associative Property for three sets $A,B,\&C$ states $A\cap (B\cap C)=$

1. $(A\cap B)\cap C$
2. $(A\cap B)\cup C$
3. $(A\cup B)\cup C$

Q. For any set $A,A\cap A=A.$

1. False
2. True

Q. Two sets given such that $A=\{a:a\text{is a prime number}<25\}\&$
$B=\{b:b\in N,10\le b\le 18\},$ the select the correct statements.

1. $A\cap B=\{11,13,17\}$
2. $A\cup B=B\cup A$
3. $A\cap B=B\cap A$
4. $A\subset B$